Tag Archives: crashes

Radar can make green lights longer?

The light turns yellow and you find yourself in a panic. Should I slam on my brakes and risk getting rear-ended? Or should I run the yellow— and possibly in the process, the red too? Every stop light on the planet has one of these “A BAD PLACES.” Radar technology can act like a life […]

Are some yellow lights TOO SHORT? (Math to check it!)

Getting a red light ticket feels really crummy. When yellow lights (“change intervals”) are set long enough, red light runners vanish. For safety, why don’t we double or triple the length of yellow lights? Check out pt. 2: Our brains and yellow lights — https://youtu.be/P_EmAKRrlBc ——————————- Sources cited: ——————————- “Guidelines for Timing Yellow and All-Red […]

How do red lights “see” your car and know to turn green?

How does a traffic signal knows when to turn green? Especially late at night when you are the only driver on the road. In this video, I chat with two traffic signal experts: Mohammed Bendelhoum, an engineer with the California Dept. of Transportation (Caltrans) and Brian Girardo (Iteris) explore the history of vehicle detection (induction […]

Are roundabouts REALLY better than a traffic signal?

Traffic signals are not scary. Roundabouts can be, especially if you’ve never driven one before. Let’s take a fun dive into America’s fastest-growing transportation design. Are these spinny circles really better that a traffic light or just a passing fad? Enjoy my video? https://www.patreon.com/roadguyrob